package com.zhuang.designpattern.singleton;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * description: 静态类使⽤用
 * date: 2022/9/14 18:50
 * author: Zhuang
 * version: 1.0
 */
public class Singleton_00 {
    public static Map<String, String> cache = new ConcurrentHashMap<String, String>();
}
